Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Dilley Allergy & Asthma Specialists LLP

Allergy Physician in San Antonio, TX · enumerated 2006 · authorized official Darlene Dilley, Administrator.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1902844590

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Registry record

Entity type Organization (Type 2)

Legal business name Dilley Allergy & Asthma Specialists LLP

Practice address 7835 W Interstate 10, San Antonio, TX, 78230

Phone (210) 614-4405

Fax (210) 614-7892

Enumeration date Jun 3, 2006

Last updated in NPPES Aug 26, 2024

Taxonomy & classification

207KA0200X Allergy Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Darlene Dilley

Title Administrator

Phone (210) 614-4405

Other identifiers

Identifier	Type	State	Issuer
148538501	Medicaid	TX	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Where is Dilley Allergy & Asthma Specialists LLP located?

The practice location on file with NPPES is in San Antonio, TX.

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2024-08-26. Verify at npiregistry.cms.hhs.gov.

Providers at this address

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Dennis Dilley Allergy Physician · San Antonio, TX NPI 1720029218

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-08-26.